‘Game of Thrones’ Season 2 Preview Video: Renly Baratheon

The youngest Baratheon brother has the largest army, but can he defeat his brother and three other kings?

On Sunday, "Game of Thrones" will make its long awaited return to HBO as war comes to Westros.

Although King Joffrey (Jack Gleeson) sits on the Iron Throne, his "uncles" have rejected his legitimacy and they are preparing to seize control for themselves. And while Stannis Baratheon (Stephen Dillane) has the strongest claim to the throne, it's Renly Baratheon (Gethin Anthony) who has an army of over 100,000 men pledged to support him in battle.

In this video preview for "Game of Thrones" season 2, HBO profiles Renly as Gethin Anthony explains why his character believes he should be king and why his marriage to Margaery Tyrell (Natalie Dormer) is good for the realm. Dormer also weighs in on Renly's love affair with The Knight of Flowers, Loras Tyrell (Finn Jones); who happens to be Maragaery's brother.

And Margaery's response to catching them together is somewhat surprising…